ultraviolet-visible spectroscopy中文什么意思

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Vanadium complexes with catecholate or pyrazine 2 - carboxylate ligands were prepared and characterized by fourier transform infrared spectroscopy , 1h nuclear magnetic resonance spectroscopy , ultraviolet - visible spectroscopy , and elemental analysis
制備了含苯磷二酚配體或吡嗪2 -羥酸酯配體的釩配合物，并運(yùn)用傅里葉變換紅外光譜、核磁共振譜、紫外可見光譜及元素分析對其進(jìn)行了表征。
Based on the above work , the optical absorption and photoluminescence ( pl ) properties of a - sinx : h films with different compositions are studied through ultraviolet - visible spectroscopy ( uv - vis ) and time - resolved photoluminescence ( tr - pl ) , the dependence of pl intensity decay on emission photon energy is found , the luminescence mechanism of nanosilicon embedded in silicon nitride matrix is presented , finally , the effective approaches to improving the luminescence efficiency of a - sinx : h films are discussed
在此基礎(chǔ)上，通過紫外-可見光譜( uv - vis )技術(shù)，時間分辨光致發(fā)光譜技術(shù)研究了不同組分的富硅a - sin _ x ： h薄膜的光吸收和光輻射特性，得到了材料光致發(fā)光衰減和輻射光子能量之間的關(guān)系，提出了鑲嵌在氮化硅中的納米硅的發(fā)光機(jī)制，進(jìn)而探討了提高納米硅薄膜發(fā)光效率的有效途徑。

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